<%--
  Created by IntelliJ IDEA.
  User: lujiapeng
  Date: 2020/9/16
  Time: 14:41
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

    <script type="text/javascript">
        console.log( XMLHttpRequest ) ;
        for( let x in  XMLHttpRequest ){
            console.log( x ) ;
        }
    </script>

</body>
</html>
